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<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Copyright (C) 2017 dubenju@126.com.<a name="line.2"></a>
<span class="sourceLineNo">003</span> *<a name="line.3"></a>
<span class="sourceLineNo">004</span> * Licensed under the Apache License, Version 2.0 (the "License");<a name="line.4"></a>
<span class="sourceLineNo">005</span> * you may not use this file except in compliance with the License.<a name="line.5"></a>
<span class="sourceLineNo">006</span> * You may obtain a copy of the License at<a name="line.6"></a>
<span class="sourceLineNo">007</span> *<a name="line.7"></a>
<span class="sourceLineNo">008</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.8"></a>
<span class="sourceLineNo">009</span> *<a name="line.9"></a>
<span class="sourceLineNo">010</span> * Unless required by applicable law or agreed to in writing, software<a name="line.10"></a>
<span class="sourceLineNo">011</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.11"></a>
<span class="sourceLineNo">012</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.12"></a>
<span class="sourceLineNo">013</span> * See the License for the specific language governing permissions and<a name="line.13"></a>
<span class="sourceLineNo">014</span> * limitations under the License.<a name="line.14"></a>
<span class="sourceLineNo">015</span> */<a name="line.15"></a>
<span class="sourceLineNo">016</span><a name="line.16"></a>
<span class="sourceLineNo">017</span>package org.teapot.db.orm;<a name="line.17"></a>
<span class="sourceLineNo">018</span><a name="line.18"></a>
<span class="sourceLineNo">019</span>import java.util.HashMap;<a name="line.19"></a>
<span class="sourceLineNo">020</span>import java.util.Map;<a name="line.20"></a>
<span class="sourceLineNo">021</span><a name="line.21"></a>
<span class="sourceLineNo">022</span>public class Wrapper implements IKeyValue {<a name="line.22"></a>
<span class="sourceLineNo">023</span>  private IKeyValue one;<a name="line.23"></a>
<span class="sourceLineNo">024</span>  private Map&lt;Object, Object&gt; attributes;<a name="line.24"></a>
<span class="sourceLineNo">025</span><a name="line.25"></a>
<span class="sourceLineNo">026</span>  public Wrapper(IKeyValue one) {<a name="line.26"></a>
<span class="sourceLineNo">027</span>    this.one = one;<a name="line.27"></a>
<span class="sourceLineNo">028</span>  }<a name="line.28"></a>
<span class="sourceLineNo">029</span><a name="line.29"></a>
<span class="sourceLineNo">030</span>  /**<a name="line.30"></a>
<span class="sourceLineNo">031</span>   * geOne.<a name="line.31"></a>
<span class="sourceLineNo">032</span>   * @return one<a name="line.32"></a>
<span class="sourceLineNo">033</span>   */<a name="line.33"></a>
<span class="sourceLineNo">034</span>  public IKeyValue geOne() {<a name="line.34"></a>
<span class="sourceLineNo">035</span>    return this.one;<a name="line.35"></a>
<span class="sourceLineNo">036</span>  }<a name="line.36"></a>
<span class="sourceLineNo">037</span><a name="line.37"></a>
<span class="sourceLineNo">038</span>  /**<a name="line.38"></a>
<span class="sourceLineNo">039</span>   * setOne.<a name="line.39"></a>
<span class="sourceLineNo">040</span>   * @param om IKeyValue<a name="line.40"></a>
<span class="sourceLineNo">041</span>   */<a name="line.41"></a>
<span class="sourceLineNo">042</span>  public void setOne(IKeyValue one) {<a name="line.42"></a>
<span class="sourceLineNo">043</span>    this.one = one;<a name="line.43"></a>
<span class="sourceLineNo">044</span>  }<a name="line.44"></a>
<span class="sourceLineNo">045</span><a name="line.45"></a>
<span class="sourceLineNo">046</span>  /**<a name="line.46"></a>
<span class="sourceLineNo">047</span>   * setAttribute.<a name="line.47"></a>
<span class="sourceLineNo">048</span>   * @param key Object<a name="line.48"></a>
<span class="sourceLineNo">049</span>   * @param value Object<a name="line.49"></a>
<span class="sourceLineNo">050</span>   */<a name="line.50"></a>
<span class="sourceLineNo">051</span>  public void setAttribute(Object key, Object value) {<a name="line.51"></a>
<span class="sourceLineNo">052</span>    if ( this.attributes == null ) {<a name="line.52"></a>
<span class="sourceLineNo">053</span>      this.attributes = new HashMap&lt;Object, Object&gt;();<a name="line.53"></a>
<span class="sourceLineNo">054</span>    }<a name="line.54"></a>
<span class="sourceLineNo">055</span>    this.attributes.put(key, value);<a name="line.55"></a>
<span class="sourceLineNo">056</span>  }<a name="line.56"></a>
<span class="sourceLineNo">057</span><a name="line.57"></a>
<span class="sourceLineNo">058</span>  /**<a name="line.58"></a>
<span class="sourceLineNo">059</span>   * getAttribute.<a name="line.59"></a>
<span class="sourceLineNo">060</span>   * @param key Object<a name="line.60"></a>
<span class="sourceLineNo">061</span>   * @return Object<a name="line.61"></a>
<span class="sourceLineNo">062</span>   */<a name="line.62"></a>
<span class="sourceLineNo">063</span>  public Object getAttribute(Object key) {<a name="line.63"></a>
<span class="sourceLineNo">064</span>    if ( this.attributes == null ) {<a name="line.64"></a>
<span class="sourceLineNo">065</span>      return null;<a name="line.65"></a>
<span class="sourceLineNo">066</span>    }<a name="line.66"></a>
<span class="sourceLineNo">067</span>    return this.attributes.get(key);<a name="line.67"></a>
<span class="sourceLineNo">068</span>  }<a name="line.68"></a>
<span class="sourceLineNo">069</span><a name="line.69"></a>
<span class="sourceLineNo">070</span>  @Override<a name="line.70"></a>
<span class="sourceLineNo">071</span>  public Object get(String key) {<a name="line.71"></a>
<span class="sourceLineNo">072</span>    // Check attribute at first<a name="line.72"></a>
<span class="sourceLineNo">073</span>    Object value = getAttribute(key);<a name="line.73"></a>
<span class="sourceLineNo">074</span>    if ( value != null ) {<a name="line.74"></a>
<span class="sourceLineNo">075</span>      return value;<a name="line.75"></a>
<span class="sourceLineNo">076</span>    }<a name="line.76"></a>
<span class="sourceLineNo">077</span><a name="line.77"></a>
<span class="sourceLineNo">078</span>    // If value is null but key is given in attributes map, return null<a name="line.78"></a>
<span class="sourceLineNo">079</span>    // no matter which value is containd in om.<a name="line.79"></a>
<span class="sourceLineNo">080</span>    if ( this.attributes != null<a name="line.80"></a>
<span class="sourceLineNo">081</span>            &amp;&amp; this.attributes.containsKey( key ) ) {<a name="line.81"></a>
<span class="sourceLineNo">082</span>      return null;<a name="line.82"></a>
<span class="sourceLineNo">083</span>    }<a name="line.83"></a>
<span class="sourceLineNo">084</span><a name="line.84"></a>
<span class="sourceLineNo">085</span>    // if no key defined in attributes, check attributes in OM.<a name="line.85"></a>
<span class="sourceLineNo">086</span>    value  = this.one.get(key);<a name="line.86"></a>
<span class="sourceLineNo">087</span>    return value;<a name="line.87"></a>
<span class="sourceLineNo">088</span>  }<a name="line.88"></a>
<span class="sourceLineNo">089</span><a name="line.89"></a>
<span class="sourceLineNo">090</span>  @Override<a name="line.90"></a>
<span class="sourceLineNo">091</span>  public IKeyValue set(String key, Object value) {<a name="line.91"></a>
<span class="sourceLineNo">092</span>    setAttribute( key, value );<a name="line.92"></a>
<span class="sourceLineNo">093</span>    return this;<a name="line.93"></a>
<span class="sourceLineNo">094</span>  }<a name="line.94"></a>
<span class="sourceLineNo">095</span><a name="line.95"></a>
<span class="sourceLineNo">096</span>}<a name="line.96"></a>




























































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